Astronomy
1st Edition
ISBN: 9781938168284
Author: Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher: OpenStax
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Textbook Question
Chapter 15, Problem 11E
How does activity on the Sun affect human technology on Earth and in the rest of the solar system?
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Chapter 15 Solutions
Astronomy
Ch. 15 - Describe the main differences between the...Ch. 15 - Describe how energy makes its way from the nuclear...Ch. 15 - Make a sketch of the Sun’s atmosphere showing the...Ch. 15 - Why do sunspots look dark?Ch. 15 - Which aspects of the Sun’s activity cycle have a...Ch. 15 - Summarize the evidence indicating that over...Ch. 15 - What it the Zeeman effect and what does it tell us...Ch. 15 - Explain how the theory of the Sun’s dynamo results...Ch. 15 - Compare and contrast the four different types of...Ch. 15 - What are the two sources of particles coming from...
Ch. 15 - How does activity on the Sun affect human...Ch. 15 - How does activity on the Sun affect natural...Ch. 15 - Table 15.1 indicates that the density of the Sun...Ch. 15 - Starting from the core of the Sun and going...Ch. 15 - Since the rotation period of the Sun can be...Ch. 15 - Suppose an (extremely hypothetical) elongated...Ch. 15 - The text explains that plages are found near...Ch. 15 - Why would a flare be observed in visible light,...Ch. 15 - How can the prominences, which are so big and...Ch. 15 - If you were concerned about space weather and...Ch. 15 - Suppose you live in northern Canada and an...Ch. 15 - The edge of the Sun doesn’t have to be absolutely...Ch. 15 - Show that the statement that 92% of the Sun’s...Ch. 15 - From Doppler shifts of the spectral lines in the...Ch. 15 - Assuming an average sunspot cycle of 11 years, how...Ch. 15 - This chapter gives the average sunspot cycle as 11...Ch. 15 - The escape velocity from any astronomical object...Ch. 15 - Suppose you observe a major solar flare while...Ch. 15 - Suppose an eruptive prominence rises at a speed of...Ch. 15 - From the information in Figure 15.21, estimate the...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- What is the ultimate source of energy that makes the Sun shine?arrow_forwardAdd a fourth column to Table 13-1 and write in the atomic mass for each rows fuel element (see Appendix Table A-14). Review the curve of binding energy, Figure 8-15. Explain the trend of fusion time versus fuel atomic mass.arrow_forwardStep-by-step, explain how energy flows from the center of the Sun to Earth.arrow_forward
- Explain how we know that the Sun’s energy is not supplied either by chemical burning, as in fires here on Earth, or by gravitational contraction (shrinking).arrow_forwardDescribe how energy makes its way from the nuclear core of the Sun to the atmosphere. Include the name of each layer and how energy moves through the layer.arrow_forwardThe United States consumes about 2.5 3 1019 J of energy in all forms in a year. How many years could you run the United States on the energy released by the solar flarearrow_forward
- The sun’s energy comes from nuclear reactions that fuse lighter nuclei into heavier ones, releasing energy in the process. The solar fusion process begins when two protons (the nuclei of hydrogen atoms) merge to produce a deuterium nucleus. Deuterium is the “heavy” isotope of hydrogen, with a nucleus consisting of a proton and a neutron. To become deuterium, one of the protons that fused has to turn into a neutron. Our interest for now lies not with the nuclear physics but with the conditions that allow fusion to occur. Before two protons can fuse, they must come into contact. However, the energy required to bring two protons into contact is considerable because the electric potential energy of the two protons increases rapidly as they approach each other. Fusion occurs in the core of the sun because the ultra-high temperature there gives the protons the kinetic energy they need to come together. a. A proton…arrow_forwardHow does energy move in the Sun from where it is created to where the Sun emits that energy?arrow_forwardCan you solve the problem, according to the information provided?arrow_forward
- Uranium, an important component of both nuclear weapons and nuclear reactors, has two major isotopes—U-238, which has a half-life of approximately 4.5 billion years, and U-235, which has a half-life of approximately 700 million years. Both were present in equal amounts at the time of the creation of the Earth, 4.5 billion years ago. How many billion years after the creation of the Earth had the amount of radiation from uranium decayed to half the amount present at the time of the creation of the Earth? (Round your answer to the nearest hundredth of a billion years.)arrow_forwardWhat are solar cells, how do they work?arrow_forwardFrom which atmospheric layer of the Sun did the photons originate that resulted in sunburn? How do you know?arrow_forward
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